January, 1907.] 



KNOWLEDGE & SCIENTIFIC NEWS. 



V CONTENTS, v 



Lightning Flaslies from Eartli to Cloud. By William 



J. S. LrcKVER, M.A., Ph.D., F.R.A.S. (tiith illiislratioiis) i 



Observatory of the Ebro {with iUiistraiions) .. .. 3 



Lord Rosse s Smaller Telescope. By The Rev. J. T. W. 



Cl.\riih,e, M a., F.R.A.S. (i:-it!i illustration and diagram) 5 



A New Volcanic Island (..;7/i illiistrntio'is) .. .. .. 7 



The January Eclipse of the Sun .. .. .. .. 9 



A Perpetual Calendar. By Charles E. Benham .. 9 



White Ants. By H. H. Scammell, F.C.I.S. {witli illustration) 10 



The Pleiades .. .. .. .. .. .. 12 



Photography: Pure and Applied. By Chap.man Jones, 



F.I.C., FC.S., &c 12 



—Astronomical. By Charles P. Bdtler, A.R.C.Sc. 



(LoND.), F.R.P.S 13 



Notes (O'ntinucd) — 



Botanical. By G. Massee 



Chemical. By C. Ainsworth Mitchell, B.A. (O.xon.), 

 F.I.C. {:i-itli illustration) 



Geological. By Edward A. Martin, F.G.S. 



Ornithological. By W. P. Pycraft, A.L.S., F.Z.S., 

 M.B.O.U.,&c 



Physical. By Alfred W. Porter, B.Sc. 



Zoological. By R. Lydekker 



Correspondence 



Reviews of Books .. .. .. .. 



Microscopy. Conducted by F. Shillington Scales, B. A., 



" .M.S 



Notes. 



F.R.: 



The Face of the Sky for January. 

 F.RA.S. 



By W. Shackleton, 



14 



•■5 

 16 



16 

 17 

 18 



19 

 19 



24 



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